Remove all of the `#[inline(always)]` attributes from bigint
This commit is contained in:
James Miller
Patrick Walton
parent
e67bfabbf7
commit
3a3bf8bdef
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@ -58,19 +58,19 @@ pub mod BigDigit {
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priv static hi_mask: uint = (-1 as uint) << bits;
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priv static lo_mask: uint = (-1 as uint) >> bits;
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#[inline(always)]
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priv fn get_hi(n: uint) -> BigDigit { (n >> bits) as BigDigit }
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#[inline(always)]
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priv fn get_lo(n: uint) -> BigDigit { (n & lo_mask) as BigDigit }
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/// Split one machine sized unsigned integer into two BigDigits.
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#[inline(always)]
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pub fn from_uint(n: uint) -> (BigDigit, BigDigit) {
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(get_hi(n), get_lo(n))
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}
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/// Join two BigDigits into one machine sized unsigned integer
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#[inline(always)]
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pub fn to_uint(hi: BigDigit, lo: BigDigit) -> uint {
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(lo as uint) | ((hi as uint) << bits)
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}
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@ -88,40 +88,40 @@ pub struct BigUint {
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}
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impl Eq for BigUint {
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#[inline(always)]
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fn eq(&self, other: &BigUint) -> bool { self.equals(other) }
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#[inline(always)]
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fn ne(&self, other: &BigUint) -> bool { !self.equals(other) }
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}
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impl TotalEq for BigUint {
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#[inline(always)]
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fn equals(&self, other: &BigUint) -> bool {
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match self.cmp(other) { Equal => true, _ => false }
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}
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}
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impl Ord for BigUint {
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#[inline(always)]
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fn lt(&self, other: &BigUint) -> bool {
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match self.cmp(other) { Less => true, _ => false}
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}
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#[inline(always)]
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fn le(&self, other: &BigUint) -> bool {
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match self.cmp(other) { Less | Equal => true, _ => false }
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}
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#[inline(always)]
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fn ge(&self, other: &BigUint) -> bool {
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match self.cmp(other) { Greater | Equal => true, _ => false }
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}
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#[inline(always)]
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fn gt(&self, other: &BigUint) -> bool {
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match self.cmp(other) { Greater => true, _ => false }
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}
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}
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impl TotalOrd for BigUint {
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#[inline(always)]
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fn cmp(&self, other: &BigUint) -> Ordering {
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let s_len = self.data.len(), o_len = other.data.len();
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if s_len < o_len { return Less; }
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@ -139,12 +139,12 @@ impl TotalOrd for BigUint {
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}
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impl ToStr for BigUint {
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#[inline(always)]
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fn to_str(&self) -> ~str { self.to_str_radix(10) }
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}
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impl FromStr for BigUint {
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#[inline(always)]
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fn from_str(s: &str) -> Option<BigUint> {
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FromStrRadix::from_str_radix(s, 10)
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}
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@ -153,17 +153,17 @@ impl FromStr for BigUint {
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impl Num for BigUint {}
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impl Orderable for BigUint {
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#[inline(always)]
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fn min(&self, other: &BigUint) -> BigUint {
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if self < other { self.clone() } else { other.clone() }
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}
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#[inline(always)]
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fn max(&self, other: &BigUint) -> BigUint {
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if self > other { self.clone() } else { other.clone() }
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}
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#[inline(always)]
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fn clamp(&self, mn: &BigUint, mx: &BigUint) -> BigUint {
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if self > mx { mx.clone() } else
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if self < mn { mn.clone() } else { self.clone() }
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@ -171,7 +171,7 @@ impl Orderable for BigUint {
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}
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impl Shl<uint, BigUint> for BigUint {
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#[inline(always)]
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fn shl(&self, rhs: &uint) -> BigUint {
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let n_unit = *rhs / BigDigit::bits;
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let n_bits = *rhs % BigDigit::bits;
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@ -180,7 +180,7 @@ impl Shl<uint, BigUint> for BigUint {
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}
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impl Shr<uint, BigUint> for BigUint {
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#[inline(always)]
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fn shr(&self, rhs: &uint) -> BigUint {
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let n_unit = *rhs / BigDigit::bits;
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let n_bits = *rhs % BigDigit::bits;
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@ -189,22 +189,22 @@ impl Shr<uint, BigUint> for BigUint {
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}
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impl Zero for BigUint {
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#[inline(always)]
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fn zero() -> BigUint { BigUint::new(~[]) }
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#[inline(always)]
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fn is_zero(&self) -> bool { self.data.is_empty() }
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}
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impl One for BigUint {
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#[inline(always)]
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fn one() -> BigUint { BigUint::new(~[1]) }
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}
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impl Unsigned for BigUint {}
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impl Add<BigUint, BigUint> for BigUint {
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#[inline(always)]
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fn add(&self, other: &BigUint) -> BigUint {
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let new_len = uint::max(self.data.len(), other.data.len());
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@ -224,7 +224,7 @@ impl Add<BigUint, BigUint> for BigUint {
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}
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impl Sub<BigUint, BigUint> for BigUint {
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#[inline(always)]
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fn sub(&self, other: &BigUint) -> BigUint {
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let new_len = uint::max(self.data.len(), other.data.len());
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@ -280,7 +280,7 @@ impl Mul<BigUint, BigUint> for BigUint {
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return ll + mm.shl_unit(half_len) + hh.shl_unit(half_len * 2);
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#[inline(always)]
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fn mul_digit(a: &BigUint, n: BigDigit) -> BigUint {
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if n == 0 { return Zero::zero(); }
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if n == 1 { return copy *a; }
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@ -297,7 +297,7 @@ impl Mul<BigUint, BigUint> for BigUint {
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return BigUint::new(prod + [carry]);
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}
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#[inline(always)]
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fn cut_at(a: &BigUint, n: uint) -> (BigUint, BigUint) {
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let mid = uint::min(a.data.len(), n);
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return (BigUint::from_slice(vec::slice(a.data, mid,
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@ -305,7 +305,7 @@ impl Mul<BigUint, BigUint> for BigUint {
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BigUint::from_slice(vec::slice(a.data, 0, mid)));
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}
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#[inline(always)]
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fn sub_sign(a: BigUint, b: BigUint) -> (Ordering, BigUint) {
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match a.cmp(&b) {
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Less => (Less, b - a),
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@ -317,7 +317,7 @@ impl Mul<BigUint, BigUint> for BigUint {
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}
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impl Div<BigUint, BigUint> for BigUint {
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#[inline(always)]
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fn div(&self, other: &BigUint) -> BigUint {
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let (q, _) = self.div_rem(other);
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return q;
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@ -325,7 +325,7 @@ impl Div<BigUint, BigUint> for BigUint {
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}
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impl Rem<BigUint, BigUint> for BigUint {
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#[inline(always)]
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fn rem(&self, other: &BigUint) -> BigUint {
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let (_, r) = self.div_rem(other);
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return r;
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@ -333,29 +333,29 @@ impl Rem<BigUint, BigUint> for BigUint {
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}
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impl Neg<BigUint> for BigUint {
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#[inline(always)]
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fn neg(&self) -> BigUint { fail!() }
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}
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impl Integer for BigUint {
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#[inline(always)]
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fn div_rem(&self, other: &BigUint) -> (BigUint, BigUint) {
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self.div_mod_floor(other)
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}
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#[inline(always)]
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fn div_floor(&self, other: &BigUint) -> BigUint {
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let (d, _) = self.div_mod_floor(other);
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return d;
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}
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#[inline(always)]
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fn mod_floor(&self, other: &BigUint) -> BigUint {
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let (_, m) = self.div_mod_floor(other);
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return m;
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}
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#[inline(always)]
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fn div_mod_floor(&self, other: &BigUint) -> (BigUint, BigUint) {
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if other.is_zero() { fail!() }
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if self.is_zero() { return (Zero::zero(), Zero::zero()); }
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@ -377,7 +377,7 @@ impl Integer for BigUint {
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let (d, m) = div_mod_floor_inner(self << shift, other << shift);
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return (d, m >> shift);
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#[inline(always)]
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fn div_mod_floor_inner(a: BigUint, b: BigUint) -> (BigUint, BigUint) {
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let mut m = a;
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let mut d = Zero::zero::<BigUint>();
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@ -408,7 +408,7 @@ impl Integer for BigUint {
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return (d, m);
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}
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#[inline(always)]
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fn div_estimate(a: &BigUint, b: &BigUint, n: uint)
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-> (BigUint, BigUint, BigUint) {
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if a.data.len() < n {
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@ -442,7 +442,7 @@ impl Integer for BigUint {
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*
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* The result is always positive
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*/
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#[inline(always)]
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fn gcd(&self, other: &BigUint) -> BigUint {
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// Use Euclid's algorithm
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let mut m = copy *self, n = copy *other;
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@ -457,15 +457,15 @@ impl Integer for BigUint {
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/**
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* Calculates the Lowest Common Multiple (LCM) of the number and `other`
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*/
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#[inline(always)]
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fn lcm(&self, other: &BigUint) -> BigUint { ((*self * *other) / self.gcd(other)) }
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/// Returns `true` if the number can be divided by `other` without leaving a remainder
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#[inline(always)]
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fn is_multiple_of(&self, other: &BigUint) -> bool { (*self % *other).is_zero() }
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/// Returns `true` if the number is divisible by `2`
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#[inline(always)]
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fn is_even(&self) -> bool {
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// Considering only the last digit.
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if self.data.is_empty() {
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@ -476,24 +476,24 @@ impl Integer for BigUint {
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}
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/// Returns `true` if the number is not divisible by `2`
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#[inline(always)]
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fn is_odd(&self) -> bool { !self.is_even() }
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}
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impl IntConvertible for BigUint {
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#[inline(always)]
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fn to_int(&self) -> int {
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uint::min(self.to_uint(), int::max_value as uint) as int
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}
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#[inline(always)]
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fn from_int(n: int) -> BigUint {
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if (n < 0) { Zero::zero() } else { BigUint::from_uint(n as uint) }
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}
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}
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impl ToStrRadix for BigUint {
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#[inline(always)]
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fn to_str_radix(&self, radix: uint) -> ~str {
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assert!(1 < radix && radix <= 16);
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let (base, max_len) = get_radix_base(radix);
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@ -502,7 +502,7 @@ impl ToStrRadix for BigUint {
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}
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return fill_concat(convert_base(copy *self, base), radix, max_len);
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#[inline(always)]
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fn convert_base(n: BigUint, base: uint) -> ~[BigDigit] {
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let divider = BigUint::from_uint(base);
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let mut result = ~[];
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@ -518,7 +518,7 @@ impl ToStrRadix for BigUint {
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return result;
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}
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#[inline(always)]
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fn fill_concat(v: &[BigDigit], radix: uint, l: uint) -> ~str {
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if v.is_empty() { return ~"0" }
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let s = str::concat(vec::reversed(v).map(|n| {
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@ -532,7 +532,7 @@ impl ToStrRadix for BigUint {
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impl FromStrRadix for BigUint {
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/// Creates and initializes an BigUint.
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#[inline(always)]
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pub fn from_str_radix(s: &str, radix: uint)
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-> Option<BigUint> {
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BigUint::parse_bytes(str::to_bytes(s), radix)
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@ -541,7 +541,7 @@ impl FromStrRadix for BigUint {
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impl BigUint {
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/// Creates and initializes an BigUint.
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#[inline(always)]
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pub fn new(v: ~[BigDigit]) -> BigUint {
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// omit trailing zeros
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let new_len = v.rposition(|n| *n != 0).map_default(0, |p| *p + 1);
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@ -553,7 +553,7 @@ impl BigUint {
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}
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/// Creates and initializes an BigUint.
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#[inline(always)]
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pub fn from_uint(n: uint) -> BigUint {
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match BigDigit::from_uint(n) {
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(0, 0) => Zero::zero(),
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@ -563,13 +563,13 @@ impl BigUint {
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}
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/// Creates and initializes an BigUint.
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#[inline(always)]
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pub fn from_slice(slice: &[BigDigit]) -> BigUint {
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return BigUint::new(vec::to_owned(slice));
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}
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/// Creates and initializes an BigUint.
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#[inline(always)]
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pub fn parse_bytes(buf: &[u8], radix: uint)
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-> Option<BigUint> {
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let (base, unit_len) = get_radix_base(radix);
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@ -596,7 +596,7 @@ impl BigUint {
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}
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}
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#[inline(always)]
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pub fn to_uint(&self) -> uint {
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match self.data.len() {
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0 => 0,
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@ -606,14 +606,14 @@ impl BigUint {
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}
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}
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#[inline(always)]
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priv fn shl_unit(&self, n_unit: uint) -> BigUint {
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if n_unit == 0 || self.is_zero() { return copy *self; }
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return BigUint::new(vec::from_elem(n_unit, 0) + self.data);
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}
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#[inline(always)]
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priv fn shl_bits(&self, n_bits: uint) -> BigUint {
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if n_bits == 0 || self.is_zero() { return copy *self; }
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@ -629,7 +629,7 @@ impl BigUint {
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return BigUint::new(shifted + [carry]);
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}
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#[inline(always)]
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priv fn shr_unit(&self, n_unit: uint) -> BigUint {
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if n_unit == 0 { return copy *self; }
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if self.data.len() < n_unit { return Zero::zero(); }
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@ -638,7 +638,7 @@ impl BigUint {
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);
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}
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#[inline(always)]
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priv fn shr_bits(&self, n_bits: uint) -> BigUint {
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if n_bits == 0 || self.data.is_empty() { return copy *self; }
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@ -653,7 +653,7 @@ impl BigUint {
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}
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#[cfg(target_arch = "x86_64")]
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#[inline(always)]
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priv fn get_radix_base(radix: uint) -> (uint, uint) {
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assert!(1 < radix && radix <= 16);
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match radix {
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@ -679,7 +679,7 @@ priv fn get_radix_base(radix: uint) -> (uint, uint) {
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#[cfg(target_arch = "arm")]
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#[cfg(target_arch = "x86")]
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#[cfg(target_arch = "mips")]
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#[inline(always)]
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priv fn get_radix_base(radix: uint) -> (uint, uint) {
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assert!(1 < radix && radix <= 16);
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match radix {
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@ -707,26 +707,26 @@ priv fn get_radix_base(radix: uint) -> (uint, uint) {
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pub enum Sign { Minus, Zero, Plus }
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impl Ord for Sign {
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#[inline(always)]
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fn lt(&self, other: &Sign) -> bool {
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match self.cmp(other) { Less => true, _ => false}
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}
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#[inline(always)]
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fn le(&self, other: &Sign) -> bool {
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match self.cmp(other) { Less | Equal => true, _ => false }
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}
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#[inline(always)]
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fn ge(&self, other: &Sign) -> bool {
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match self.cmp(other) { Greater | Equal => true, _ => false }
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}
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#[inline(always)]
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fn gt(&self, other: &Sign) -> bool {
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match self.cmp(other) { Greater => true, _ => false }
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}
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}
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impl TotalOrd for Sign {
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#[inline(always)]
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fn cmp(&self, other: &Sign) -> Ordering {
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match (*self, *other) {
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(Minus, Minus) | (Zero, Zero) | (Plus, Plus) => Equal,
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@ -738,7 +738,7 @@ impl TotalOrd for Sign {
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||||
impl Neg<Sign> for Sign {
|
||||
/// Negate Sign value.
|
||||
#[inline(always)]
|
||||
|
||||
fn neg(&self) -> Sign {
|
||||
match *self {
|
||||
Minus => Plus,
|
||||
|
|
@ -756,40 +756,40 @@ pub struct BigInt {
|
|||
}
|
||||
|
||||
impl Eq for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn eq(&self, other: &BigInt) -> bool { self.equals(other) }
|
||||
#[inline(always)]
|
||||
|
||||
fn ne(&self, other: &BigInt) -> bool { !self.equals(other) }
|
||||
}
|
||||
|
||||
impl TotalEq for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn equals(&self, other: &BigInt) -> bool {
|
||||
match self.cmp(other) { Equal => true, _ => false }
|
||||
}
|
||||
}
|
||||
|
||||
impl Ord for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn lt(&self, other: &BigInt) -> bool {
|
||||
match self.cmp(other) { Less => true, _ => false}
|
||||
}
|
||||
#[inline(always)]
|
||||
|
||||
fn le(&self, other: &BigInt) -> bool {
|
||||
match self.cmp(other) { Less | Equal => true, _ => false }
|
||||
}
|
||||
#[inline(always)]
|
||||
|
||||
fn ge(&self, other: &BigInt) -> bool {
|
||||
match self.cmp(other) { Greater | Equal => true, _ => false }
|
||||
}
|
||||
#[inline(always)]
|
||||
|
||||
fn gt(&self, other: &BigInt) -> bool {
|
||||
match self.cmp(other) { Greater => true, _ => false }
|
||||
}
|
||||
}
|
||||
|
||||
impl TotalOrd for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn cmp(&self, other: &BigInt) -> Ordering {
|
||||
let scmp = self.sign.cmp(&other.sign);
|
||||
if scmp != Equal { return scmp; }
|
||||
|
|
@ -803,12 +803,12 @@ impl TotalOrd for BigInt {
|
|||
}
|
||||
|
||||
impl ToStr for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn to_str(&self) -> ~str { self.to_str_radix(10) }
|
||||
}
|
||||
|
||||
impl FromStr for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn from_str(s: &str) -> Option<BigInt> {
|
||||
FromStrRadix::from_str_radix(s, 10)
|
||||
}
|
||||
|
|
@ -817,17 +817,17 @@ impl FromStr for BigInt {
|
|||
impl Num for BigInt {}
|
||||
|
||||
impl Orderable for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn min(&self, other: &BigInt) -> BigInt {
|
||||
if self < other { self.clone() } else { other.clone() }
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
|
||||
fn max(&self, other: &BigInt) -> BigInt {
|
||||
if self > other { self.clone() } else { other.clone() }
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
|
||||
fn clamp(&self, mn: &BigInt, mx: &BigInt) -> BigInt {
|
||||
if self > mx { mx.clone() } else
|
||||
if self < mn { mn.clone() } else { self.clone() }
|
||||
|
|
@ -835,38 +835,38 @@ impl Orderable for BigInt {
|
|||
}
|
||||
|
||||
impl Shl<uint, BigInt> for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn shl(&self, rhs: &uint) -> BigInt {
|
||||
BigInt::from_biguint(self.sign, self.data << *rhs)
|
||||
}
|
||||
}
|
||||
|
||||
impl Shr<uint, BigInt> for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn shr(&self, rhs: &uint) -> BigInt {
|
||||
BigInt::from_biguint(self.sign, self.data >> *rhs)
|
||||
}
|
||||
}
|
||||
|
||||
impl Zero for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn zero() -> BigInt {
|
||||
BigInt::from_biguint(Zero, Zero::zero())
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
|
||||
fn is_zero(&self) -> bool { self.sign == Zero }
|
||||
}
|
||||
|
||||
impl One for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn one() -> BigInt {
|
||||
BigInt::from_biguint(Plus, One::one())
|
||||
}
|
||||
}
|
||||
|
||||
impl Signed for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn abs(&self) -> BigInt {
|
||||
match self.sign {
|
||||
Plus | Zero => self.clone(),
|
||||
|
|
@ -874,12 +874,12 @@ impl Signed for BigInt {
|
|||
}
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
|
||||
fn abs_sub(&self, other: &BigInt) -> BigInt {
|
||||
if *self <= *other { Zero::zero() } else { *self - *other }
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
|
||||
fn signum(&self) -> BigInt {
|
||||
match self.sign {
|
||||
Plus => BigInt::from_biguint(Plus, One::one()),
|
||||
|
|
@ -888,15 +888,15 @@ impl Signed for BigInt {
|
|||
}
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
|
||||
fn is_positive(&self) -> bool { self.sign == Plus }
|
||||
|
||||
#[inline(always)]
|
||||
|
||||
fn is_negative(&self) -> bool { self.sign == Minus }
|
||||
}
|
||||
|
||||
impl Add<BigInt, BigInt> for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn add(&self, other: &BigInt) -> BigInt {
|
||||
match (self.sign, other.sign) {
|
||||
(Zero, _) => other.clone(),
|
||||
|
|
@ -911,7 +911,7 @@ impl Add<BigInt, BigInt> for BigInt {
|
|||
}
|
||||
|
||||
impl Sub<BigInt, BigInt> for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn sub(&self, other: &BigInt) -> BigInt {
|
||||
match (self.sign, other.sign) {
|
||||
(Zero, _) => -other,
|
||||
|
|
@ -929,7 +929,7 @@ impl Sub<BigInt, BigInt> for BigInt {
|
|||
}
|
||||
|
||||
impl Mul<BigInt, BigInt> for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn mul(&self, other: &BigInt) -> BigInt {
|
||||
match (self.sign, other.sign) {
|
||||
(Zero, _) | (_, Zero) => Zero::zero(),
|
||||
|
|
@ -944,7 +944,7 @@ impl Mul<BigInt, BigInt> for BigInt {
|
|||
}
|
||||
|
||||
impl Div<BigInt, BigInt> for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn div(&self, other: &BigInt) -> BigInt {
|
||||
let (q, _) = self.div_rem(other);
|
||||
return q;
|
||||
|
|
@ -952,7 +952,7 @@ impl Div<BigInt, BigInt> for BigInt {
|
|||
}
|
||||
|
||||
impl Rem<BigInt, BigInt> for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn rem(&self, other: &BigInt) -> BigInt {
|
||||
let (_, r) = self.div_rem(other);
|
||||
return r;
|
||||
|
|
@ -960,14 +960,14 @@ impl Rem<BigInt, BigInt> for BigInt {
|
|||
}
|
||||
|
||||
impl Neg<BigInt> for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn neg(&self) -> BigInt {
|
||||
BigInt::from_biguint(self.sign.neg(), self.data.clone())
|
||||
}
|
||||
}
|
||||
|
||||
impl Integer for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn div_rem(&self, other: &BigInt) -> (BigInt, BigInt) {
|
||||
// r.sign == self.sign
|
||||
let (d_ui, r_ui) = self.data.div_mod_floor(&other.data);
|
||||
|
|
@ -982,19 +982,19 @@ impl Integer for BigInt {
|
|||
}
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
|
||||
fn div_floor(&self, other: &BigInt) -> BigInt {
|
||||
let (d, _) = self.div_mod_floor(other);
|
||||
return d;
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
|
||||
fn mod_floor(&self, other: &BigInt) -> BigInt {
|
||||
let (_, m) = self.div_mod_floor(other);
|
||||
return m;
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
|
||||
fn div_mod_floor(&self, other: &BigInt) -> (BigInt, BigInt) {
|
||||
// m.sign == other.sign
|
||||
let (d_ui, m_ui) = self.data.div_rem(&other.data);
|
||||
|
|
@ -1022,7 +1022,7 @@ impl Integer for BigInt {
|
|||
*
|
||||
* The result is always positive
|
||||
*/
|
||||
#[inline(always)]
|
||||
|
||||
fn gcd(&self, other: &BigInt) -> BigInt {
|
||||
BigInt::from_biguint(Plus, self.data.gcd(&other.data))
|
||||
}
|
||||
|
|
@ -1030,26 +1030,26 @@ impl Integer for BigInt {
|
|||
/**
|
||||
* Calculates the Lowest Common Multiple (LCM) of the number and `other`
|
||||
*/
|
||||
#[inline(always)]
|
||||
|
||||
fn lcm(&self, other: &BigInt) -> BigInt {
|
||||
BigInt::from_biguint(Plus, self.data.lcm(&other.data))
|
||||
}
|
||||
|
||||
/// Returns `true` if the number can be divided by `other` without leaving a remainder
|
||||
#[inline(always)]
|
||||
|
||||
fn is_multiple_of(&self, other: &BigInt) -> bool { self.data.is_multiple_of(&other.data) }
|
||||
|
||||
/// Returns `true` if the number is divisible by `2`
|
||||
#[inline(always)]
|
||||
|
||||
fn is_even(&self) -> bool { self.data.is_even() }
|
||||
|
||||
/// Returns `true` if the number is not divisible by `2`
|
||||
#[inline(always)]
|
||||
|
||||
fn is_odd(&self) -> bool { self.data.is_odd() }
|
||||
}
|
||||
|
||||
impl IntConvertible for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn to_int(&self) -> int {
|
||||
match self.sign {
|
||||
Plus => uint::min(self.to_uint(), int::max_value as uint) as int,
|
||||
|
|
@ -1059,7 +1059,7 @@ impl IntConvertible for BigInt {
|
|||
}
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
|
||||
fn from_int(n: int) -> BigInt {
|
||||
if n > 0 {
|
||||
return BigInt::from_biguint(Plus, BigUint::from_uint(n as uint));
|
||||
|
|
@ -1074,7 +1074,7 @@ impl IntConvertible for BigInt {
|
|||
}
|
||||
|
||||
impl ToStrRadix for BigInt {
|
||||
#[inline(always)]
|
||||
|
||||
fn to_str_radix(&self, radix: uint) -> ~str {
|
||||
match self.sign {
|
||||
Plus => self.data.to_str_radix(radix),
|
||||
|
|
@ -1086,7 +1086,7 @@ impl ToStrRadix for BigInt {
|
|||
|
||||
impl FromStrRadix for BigInt {
|
||||
/// Creates and initializes an BigInt.
|
||||
#[inline(always)]
|
||||
|
||||
fn from_str_radix(s: &str, radix: uint)
|
||||
-> Option<BigInt> {
|
||||
BigInt::parse_bytes(str::to_bytes(s), radix)
|
||||
|
|
@ -1095,13 +1095,13 @@ impl FromStrRadix for BigInt {
|
|||
|
||||
pub impl BigInt {
|
||||
/// Creates and initializes an BigInt.
|
||||
#[inline(always)]
|
||||
|
||||
pub fn new(sign: Sign, v: ~[BigDigit]) -> BigInt {
|
||||
BigInt::from_biguint(sign, BigUint::new(v))
|
||||
}
|
||||
|
||||
/// Creates and initializes an BigInt.
|
||||
#[inline(always)]
|
||||
|
||||
pub fn from_biguint(sign: Sign, data: BigUint) -> BigInt {
|
||||
if sign == Zero || data.is_zero() {
|
||||
return BigInt { sign: Zero, data: Zero::zero() };
|
||||
|
|
@ -1110,20 +1110,20 @@ pub impl BigInt {
|
|||
}
|
||||
|
||||
/// Creates and initializes an BigInt.
|
||||
#[inline(always)]
|
||||
|
||||
pub fn from_uint(n: uint) -> BigInt {
|
||||
if n == 0 { return Zero::zero(); }
|
||||
return BigInt::from_biguint(Plus, BigUint::from_uint(n));
|
||||
}
|
||||
|
||||
/// Creates and initializes an BigInt.
|
||||
#[inline(always)]
|
||||
|
||||
pub fn from_slice(sign: Sign, slice: &[BigDigit]) -> BigInt {
|
||||
BigInt::from_biguint(sign, BigUint::from_slice(slice))
|
||||
}
|
||||
|
||||
/// Creates and initializes an BigInt.
|
||||
#[inline(always)]
|
||||
|
||||
pub fn parse_bytes(buf: &[u8], radix: uint)
|
||||
-> Option<BigInt> {
|
||||
if buf.is_empty() { return None; }
|
||||
|
|
@ -1137,7 +1137,7 @@ pub impl BigInt {
|
|||
.map_consume(|bu| BigInt::from_biguint(sign, bu));
|
||||
}
|
||||
|
||||
#[inline(always)]
|
||||
|
||||
fn to_uint(&self) -> uint {
|
||||
match self.sign {
|
||||
Plus => self.data.to_uint(),
|
||||
|
|
|
|||
Loading…
Reference in New Issue